1157557224 has 32 divisors (see below), whose sum is σ = 2898324000. Its totient is φ = 385261632.

The previous prime is 1157557213. The next prime is 1157557231. The reversal of 1157557224 is 4227557511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20779 + ... + 52410.

It is an arithmetic number, because the mean of its divisors is an integer number (90572625).

Almost surely, 2^1157557224 is an apocalyptic number.

It is an amenable number.

1157557224 is an abundant number, since it is smaller than the sum of its proper divisors (1740766776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1157557224 is a wasteful number, since it uses less digits than its factorization.

1157557224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73857 (or 73853 counting only the distinct ones).

The product of its digits is 98000, while the sum is 39.

The square root of 1157557224 is about 34022.8926459818. The cubic root of 1157557224 is about 1049.9795079901.

The spelling of 1157557224 in words is "one billion, one hundred fifty-seven million, five hundred fifty-seven thousand, two hundred twenty-four".